Courtesy of Carlos Bustos

In hot dry climates, urban trees can reduce the intensity of sunlight, block infrared heat exchange—and act as natural evaporative coolers.  Having shade trees to the center or east of a building’s southern façade can cool it by several degrees.


AP Photo/Ryan Van Velzer, File

A judge will hold a hearing over whether to order Arizona election officials to count provisional ballots from voters who have changed their registration addresses at motor vehicle offices since late 2016.

Toby Talbot/AP file

The Arizona Attorney General's office has taken legal action against Purdue Pharma, manufacturer of the opioid painkiller OxyContin. 

Courtesy

A state legislator who owns a charter school is poised for a payday after the Arizona State Board for Charter Schools approved the transfer of his for-profit charter-school chain to a newly formed non-profit company.

National Park Service

With less snowfall lately at the Grand Canyon's North Rim, tourism officials see an opportunity to stretch the visiting season and bring more revenue to the region.

Ryan Heinsius

About a dozen Navajos traveled to New York City to protest a company eyeing a coal-fired power plant on their reservation.

 

3TV/CBS 5

Local and national Border Patrol unions are officially endorsing Republican Arizona Doug Ducey in his bid for a second term.

The unions representing U.S. Border Patrol guards nationally and in state that shares its southern boundary with Mexico announced their endorsement Monday at the state Capitol.

Ducey has stressed a commitment to border security, launching a law enforcement initiative called Arizona's Border Strike Force, which aims to stop the flow of drugs and illegal immigration into the United States.

Jamie Francis/The Oregonian via AP, File

John McCain hadn't been elected to the U.S. Senate when a fellow veteran and friend spotted him at the annual Navajo Nation Fair.

Eric Gay/AP file

A former youth care worker has been convicted of sexually abusing seven teenage boys at a Phoenix-area shelter for immigrant children.

Courtesy

A California man remains missing three days after trying to rescue his wife during a river rafting trip in the Grand Canyon.

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